1. Pilar neurocristic hamartoma: its relationship to blue nevus and equine melanotic disease.
- Author
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Tuthill RJ, Clark WH Jr, and Levene A
- Subjects
- Adolescent, Animals, Female, Hair Diseases embryology, Hamartoma embryology, Hamartoma ultrastructure, Horse Diseases pathology, Horses, Humans, Melanosis pathology, Melanosis veterinary, Neural Crest, Nevus, Pigmented pathology, Skin Neoplasms embryology, Skin Neoplasms ultrastructure, Hair Diseases pathology, Hamartoma pathology, Skin Neoplasms pathology
- Abstract
A unique pigmented lesion, judged to be a hamartoma of neural crest origin, occurring in a female patient, is compared with equine melanotic disease, The characteristic perifollicular arrangement of pigment-laden spindle cells is remarkably similar in both. Previously described patch- and plaque-like blue nevi in humans are also closely related. Light and ultrastructural features showed differentiation toward both nevus cells and Schwann cells, and it is proposed that the lesion be termed pilar neurocristic hamartoma.
- Published
- 1982
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